All of the following events occurred just before the outbreak of world war i. the order of the events is scrambled. unscramble the events and write them in the correct chronological order.
-gavrilo princip fires two shots
-germany declares war on russia
-germany invades belgium
-russia mobilizes to defend serbia
-austria-hungary blames serbia for the death of the archduke and archduchess
-britain declares war on germany
-france mobilizes to support its russian ally
-austria-hungary declares war on serbia
-gavrilo princip is arrested
-germany orders france and russia to stop mobilizing
-serbia agrees to two of the three terms of the ultimatum
-austria-hungary sends ultimatum to serbia
-germany declares war on france
-archduke and archduchess visit sarajevo
-canada enters war